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<p style='font-family: monospace;font-size:small'>26 February 2004</p>
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<div class='div1'><a name='idl'></a>
<h1 id='idl-h1' class='adiv1'>Appendix A: IDL Definitions</h1>
<p class='first'>This appendix contains the complete OMG IDL [<cite><a class='noxref normative' href='references.html#OMGIDL'>OMG IDL</a></cite>] for
the Level 3 Document Object Model XPath definitions.</p><p>The IDL files are also available as: <a class='normative' href='idl.zip'>http://www.w3.org/TR/2004/NOTE-DOM-Level-3-XPath-20040226/idl.zip</a></p><h3 id='idl-xpath.idl'><a href='idl/xpath.idl'>xpath.idl</a>:</h3>
<div class='idl-code'>
<pre>
// File: xpath.idl
#ifndef _XPATH_IDL_
#define _XPATH_IDL_
#include "dom.idl"
#pragma prefix "dom.w3c.org"
module xpath
{
typedef dom::DOMString DOMString;
typedef dom::Node Node;
typedef dom::DOMObject DOMObject;
typedef dom::Element Element;
interface XPathNSResolver;
interface XPathExpression;
exception <a class='noxref' href='xpath.html#XPathException'>XPathException</a> {
unsigned short code;
};
// XPathExceptionCode
const unsigned short <a class='noxref' href='xpath.html#INVALID_EXPRESSION_ERR'>INVALID_EXPRESSION_ERR</a> = 51;
const unsigned short <a class='noxref' href='xpath.html#TYPE_ERR'>TYPE_ERR</a> = 52;
interface <a class='noxref' href='xpath.html#XPathEvaluator'>XPathEvaluator</a> {
<a class='noxref' href='xpath.html#XPathExpression'>XPathExpression</a> <a class='noxref' href='xpath.html#XPathEvaluator-createExpression'>createExpression</a>(in DOMString expression,
in <a class='noxref' href='xpath.html#XPathNSResolver'>XPathNSResolver</a> resolver)
raises(<a class='noxref' href='xpath.html#XPathException'>XPathException</a>,
dom::DOMException);
<a class='noxref' href='xpath.html#XPathNSResolver'>XPathNSResolver</a> <a class='noxref' href='xpath.html#XPathEvaluator-createNSResolver'>createNSResolver</a>(in Node nodeResolver);
DOMObject <a class='noxref' href='xpath.html#XPathEvaluator-evaluate'>evaluate</a>(in DOMString expression,
in Node contextNode,
in <a class='noxref' href='xpath.html#XPathNSResolver'>XPathNSResolver</a> resolver,
in unsigned short type,
in DOMObject result)
raises(<a class='noxref' href='xpath.html#XPathException'>XPathException</a>,
dom::DOMException);
};
interface <a class='noxref' href='xpath.html#XPathExpression'>XPathExpression</a> {
DOMObject <a class='noxref' href='xpath.html#XPathExpression-evaluate'>evaluate</a>(in Node contextNode,
in unsigned short type,
in DOMObject result)
raises(<a class='noxref' href='xpath.html#XPathException'>XPathException</a>,
dom::DOMException);
};
interface <a class='noxref' href='xpath.html#XPathNSResolver'>XPathNSResolver</a> {
DOMString <a class='noxref' href='xpath.html#XPathNSResolver-lookupNamespaceURI'>lookupNamespaceURI</a>(in DOMString prefix);
};
interface <a class='noxref' href='xpath.html#XPathResult'>XPathResult</a> {
// XPathResultType
const unsigned short <a class='noxref' href='xpath.html#XPathResult-ANY-TYPE'>ANY_TYPE</a> = 0;
const unsigned short <a class='noxref' href='xpath.html#XPathResult-NUMBER-TYPE'>NUMBER_TYPE</a> = 1;
const unsigned short <a class='noxref' href='xpath.html#XPathResult-STRING-TYPE'>STRING_TYPE</a> = 2;
const unsigned short <a class='noxref' href='xpath.html#XPathResult-BOOLEAN-TYPE'>BOOLEAN_TYPE</a> = 3;
const unsigned short <a class='noxref' href='xpath.html#XPathResult-UNORDERED-NODE-ITERATOR-TYPE'>UNORDERED_NODE_ITERATOR_TYPE</a> = 4;
const unsigned short <a class='noxref' href='xpath.html#XPathResult-ORDERED-NODE-ITERATOR-TYPE'>ORDERED_NODE_ITERATOR_TYPE</a> = 5;
const unsigned short <a class='noxref' href='xpath.html#XPathResult-UNORDERED-NODE-SNAPSHOT-TYPE'>UNORDERED_NODE_SNAPSHOT_TYPE</a> = 6;
const unsigned short <a class='noxref' href='xpath.html#XPathResult-ORDERED-NODE-SNAPSHOT-TYPE'>ORDERED_NODE_SNAPSHOT_TYPE</a> = 7;
const unsigned short <a class='noxref' href='xpath.html#XPathResult-ANY-UNORDERED-NODE-TYPE'>ANY_UNORDERED_NODE_TYPE</a> = 8;
const unsigned short <a class='noxref' href='xpath.html#XPathResult-FIRST-ORDERED-NODE-TYPE'>FIRST_ORDERED_NODE_TYPE</a> = 9;
readonly attribute unsigned short <a class='noxref' href='xpath.html#XPathResult-resultType'>resultType</a>;
readonly attribute double <a class='noxref' href='xpath.html#XPathResult-numberValue'>numberValue</a>;
// raises(<a class='noxref' href='xpath.html#XPathException'>XPathException</a>) on retrieval
readonly attribute DOMString <a class='noxref' href='xpath.html#XPathResult-stringValue'>stringValue</a>;
// raises(<a class='noxref' href='xpath.html#XPathException'>XPathException</a>) on retrieval
readonly attribute boolean <a class='noxref' href='xpath.html#XPathResult-booleanValue'>booleanValue</a>;
// raises(<a class='noxref' href='xpath.html#XPathException'>XPathException</a>) on retrieval
readonly attribute Node <a class='noxref' href='xpath.html#XPathResult-singleNodeValue'>singleNodeValue</a>;
// raises(<a class='noxref' href='xpath.html#XPathException'>XPathException</a>) on retrieval
readonly attribute boolean <a class='noxref' href='xpath.html#XPathResult-invalid-iterator-state'>invalidIteratorState</a>;
readonly attribute unsigned long <a class='noxref' href='xpath.html#XPathResult-snapshot-length'>snapshotLength</a>;
// raises(<a class='noxref' href='xpath.html#XPathException'>XPathException</a>) on retrieval
Node <a class='noxref' href='xpath.html#XPathResult-iterateNext'>iterateNext</a>()
raises(<a class='noxref' href='xpath.html#XPathException'>XPathException</a>,
dom::DOMException);
Node <a class='noxref' href='xpath.html#XPathResult-snapshotItem'>snapshotItem</a>(in unsigned long index)
raises(<a class='noxref' href='xpath.html#XPathException'>XPathException</a>);
};
interface <a class='noxref' href='xpath.html#XPathNamespace'>XPathNamespace</a> : Node {
// XPathNodeType
const unsigned short <a class='noxref' href='xpath.html#XPATH_NAMESPACE_NODE'>XPATH_NAMESPACE_NODE</a> = 13;
readonly attribute Element <a class='noxref' href='xpath.html#XPathNamespace-ownerElement'>ownerElement</a>;
};
};
#endif // _XPATH_IDL_
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